2018 Big 12 Conference Leaders Passes Defended - Games in August/September Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | Texas Tech | 5 | 4 | 25 | 29 | 5.80 |
| 2 | Kansas State | 5 | 4 | 23 | 27 | 5.40 |
| 3 | Texas | 5 | 6 | 19 | 25 | 5.00 |
| 3 | Iowa State | 4 | 2 | 18 | 20 | 5.00 |
| 5 | West Virginia | 4 | 4 | 15 | 19 | 4.75 |
| 6 | TCU | 5 | 2 | 21 | 23 | 4.60 |
| 7 | Oklahoma | 5 | 4 | 18 | 22 | 4.40 |
| 8 | Kansas | 5 | 8 | 13 | 21 | 4.20 |
| 9 | Oklahoma State | 5 | 3 | 16 | 19 | 3.80 |
| 9 | Baylor | 5 | 2 | 17 | 19 | 3.80 |